import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import List from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'
Vue.use(VueRouter)

const routes = [
  {path:'/', redirect:'/login'},
  {path:'/login',component:Login},
  {path:'/home',
  component:Home,
  redirect:'/welcome',
  children:[
    {path:'/welcome',component:Welcome},
    {path:'/users',component:Users},
    {path:'/rights',component:Rights},
    {path:'/roles',component:Roles},
    {path:'/categories',component:Cate},
    {path:'/params',component: Params},
    {path:'/goods',component: List},
    {path:'/goods/add',component: Add},
    {path:'/orders',component: Order},
    {path:'/reports',component: Report}

  ]}
]

const router = new VueRouter({
  routes
})
//挂载路由导航守卫
router.beforeEach((to,from,next)=>{
  // to 将要访问的路径
  // from 代表从哪个路径跳转而来
  // next 是一个函数，表示放行
  // next() 放行 next('/login')
  if(to.path ==='/login') return next();
  // 获取token
 const tokenStr = window.sessionStorage.getItem('token')
 if(!tokenStr) return next('/login')
 next()
})
export default router
